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Problem set. Graph Theory Problems


IDTitleSourceAuthorsDifficulty

1004Sightseeing TripCentral European Olympiad in Informatics 19992724579

1008Image EncodingUSTU PhysTech Cup 20004312366

1016Cube on the WalkUSU Local Contest. 19991904823

1022Genealogical TreeAutumn School Contest 200011102142

1033LabyrinthUral Championship 19996630236

1035Cross-stitchUral Championship 199911351368

1040Airline CompanyUSU Championship 200015441001

1045Funny GameUSU Local Contest. March 20002938521

1056Centers of the NetNEERC 2000 Central Subregional2774551

1065FrontierNEERC 200010141417

1069Prufer CodeUSU Personal Contest 20012744512

1072RoutingUSU Personal Contest 20012795503

1076Trash1962711

1077Travelling Tours1274396

1080Map ColoringWinter Mathematical Festival Varna 20017484186

1085MeetingSpring School Contest 20012195627

1096Get the Right Route Plate!USU Local Contest. March 20011847708

1099Work Scheduling10301143

1106Two TeamsTetrahedron Team Online Contest May 2001685074

1109ConferenceBulgarian Online Contest September 20012031249

1119MetroAutumn School Contest 2001725570

1124MosaicUSU Championship 20011705296

1128Partition into GroupsUSU Championship 20011225411

1129Door PaintingUSU Championship 20011334378

1136ParliamentNEERC 2001 Central Subregional5079100

1137Bus RoutesNEERC 2001 Central Subregional1596317

1145Rope in the LabyrinthDSAP Vietnam Online Contest November 20011467344

1156Two RoundsUral Championship 2001. Round 21583319

1160NetworkNEERC 2001 Northern Subregional3650141

1162Currency ExchangeNEERC 2001 Northern Subregional2738185

1176HyperchannelsUSU Personal Contest 20021514335

1182Team Them Up!NEERC 2001996507

1198Jobbery1075488

1199Mouse1193768

1205By the Underground or by Foot?USU Local Contest. March 20022174234

1208Legendary Teams ContestUSU Local Contest. March 20022421210

1210Kind SpiritsAutumn School Contest 20023039169

1218Episode N-th: The Jedi TournamentUSU Championship 20021582323

1227Rally ChampionshipNEERC 2002 Central Subregional1700301

1237Evacuation PlanNEERC 2002514984

1242WerewolfUSU Personal Contest 20032945175

1250Sea BurialUSU Local Contest. March 2003704724

1254Die HardUSU Local Contest. March 2003791645

1270UnicubeUSU Championship 20032202263

1271Sailing DirectionsUSU Championship 20031074449

1272Non-Yekaterinburg SubwayUSU Championship 20033598144

1277Cops and ThievesNEERC 2003 Central Subregional594862

1280Topological SortingNEERC 2003 Central Subregional3699140

1281River BasinNEERC 2003 Central Subregional2811789

1291Gear-wheelsSpring School Contest 20041357382

1301Cube in LabyrinthUral Championship 1998707729

1314Chase in SubwayUral Championship 2004. Round 1921562

1315MDPAR and MIIARUral Championship 2004. Round 12861767

1320Graph DecompositionUral Championship 2004. Round 21822286

1323ClassmatesUral Championship 2004. Round 2621829

1325DirtUral Championship 2004. Round 2970534

1329Galactic HistoryAutumn School Contest 20041149454

1337BureaucracyAutumn School Contest 20043351524

1338AutomobilesUSU Championship 20042951729

1339BabiesUSU Championship 2004606856

1358CablesSpring School Contest 2005968540

1361Spaceology vs. ChronisticsUral Championship 2005. Round 22721873

1367Top SecretUral Championship 2005. Round 21782810

1379Cups TransportationUral Championship 2005. Round 1899582

1392Dreaming of Stars682765

1399Economical Director429347

1400Cellular CharactersAutumn School Contest 2005954549

1416ConfidentialUSU Championship 20051362385

1419Maps of the Island WorldsUSU Championship 20054261211

1421Credit OperationsTimus Top Coders: First Challenge944542

1434Buses in VasyukiUSU Personal Contest 2006577879

1441From the History of Gringotts BankUral Championship 20064411138

1447Portkey NetworkUral Championship 2006516976

1449Credit Operations 2Timus Top Coders: Second Challenge3381467

1450Russian PipelinesTimus Top Coders: Second Challenge3413149

1479Scheduled CheckingPetrozavodsk Summer 2006. Ural+Orel Contest1104129

1487Chinese FootballUSU Championship 20063871245

1500Pass LicensesNEERC 2006 Eastern Subregional758641

1505Oil TransferNEERC 2006 Eastern Subregional1632845

1527Bad RoadsPetrozavodsk Winter 2007. D.Gozman Contest4141136

1533Fat HobbitsUSU Personal Contest 2007482977

1544Classmates 3Ural Championship 20073701252

1557Network AttackPetrozavodsk Summer 2007. NSU Contest2611705

1569Networking the “Iset”USU Championship 2007504896

1575Yekaterinburg Subway 2Autumn School Contest 2007523863

1580Dean's DebtsAutumn School Contest 2007512881

1610CactusesUral Championship 20082122005

1623Fractal LabyrinthPetrozavodsk Winter 2008. ITMO Contest1303094

1630TalismanUSU Championship 20084171004

1641DutiesAutumn School Contest 2008832508

1643Attack of the Dark FortressAutumn School Contest 2008995425

1651Shortest SubchainNEERC 2008 Eastern Subregional1226345

1652Banking CrisisNEERC 2008 Eastern Subregional1502667

1664Pipeline TransportationPetrozavodsk Winter 2008. USU Contest2111912

1676Mortal KombatPetrozavodsk Summer 2008. USU Contest2361711

1691Algorithm ComplexityPetrozavodsk Winter 2009. USU Contest1352867

1699Turning TurtlesPetrozavodsk Winter 2009. USU Contest3771074

1709Penguin-AviaUral Championship 20092691153

1721Two Sides of the Same CoinNEERC 2009 Eastern Subregional680578

1742Team buildingPetrozavodsk Summer 2009. Ufa SATU Contest1248310

1770The Party of Ural ChampionsUral Championship 20102121730

1806Mobile TelegraphsNEERC 2010 Eastern Subregional2059178

1833Hopes of RowingUral Championship 20111652027

1837Isenbaev's NumberUral Championship 2011593360

1847ZamkadyePetrozavodsk Summer 2010. USU Contest764004

1882Old NokiaUral Regional School Programming Contest 20111172692

1888Pilot Work ExperienceNEERC 2011 Eastern Subregional730461

1905Travel in TimeUral Championship 20122691133

1912Titan Ruins: Passing through WallsNEERC 2012 Eastern Subregional2371278

1930Ivan's CarUral Regional School Programming Contest 20121926163

1934Black SpotUral FU Championship 2012869357

1966Cycling RoadsUral FU Personal Contest 2013430679

1980Road to InvestorUral Championship 2013456635

1982Electrification PlanUral FU Championship 20132277127

2013Neither shaken nor stirredNEERC 2014 Eastern Subregional271949

2017Best of a bad lotNEERC 2014 Eastern Subregional1871354

2030Awesome Backup SystemUral Regional School Programming Contest 2014506515

2034CaravansUral Regional School Programming Contest 2014921285

2038Minimum Vertex CoverPetrozavodsk Summer 2014. Ural FU Contest1012382

2055Urban GeographyUral Championship 20151621473

2093All Roads Lead to SnowdriftUral FU Personal Contest 20141541378

2113Survive the floodUniversity-Academy Olympiad 2019377428

2127Determinant of a GraphPetrozavodsk Summer 2018. umnik_team contest383406

2128Rubina's SolitaireLater is better than never1491001

2132Graph Decomposition. Version 2Later is better than never971487

2140BitMazeCraftUral School Programming Contest 20191251143

2147City BuildingUral School Programming Contest 2019751815

2155QuadrocopterUral School Programming Contest 2020121980

2159EssayUral School Programming Contest 2021501326

2169City Building 2Ural School Programming Contest 2022331848

2174Dualism of NumbersUral School Programming Contest 202348892

2180Need More TasksUral School Programming Contest 2023271398

2187Need More GoldUral School Programming Contest 2024251477

2192My GrandfatherICPC Ural Regional Contest Qualifier 202244959

2195Binary TreesICPC Ural Regional Contest Qualifier 2023181849

2198Deep UnderstandingICPC Ural Regional Contest Qualifier 2024291325

2200He is not a knight for you 2University-Academy Olympiad 2020151264

2219Philosophical QuestionICPC Ural Regional Contest Qualifier 2025171169

2226County of SquirrelsUral Championship 202524929